Afriso – 42352 – WMS 3-1 Boiler Water Low-Level Alarm, DN 20 Probe

The Afriso WMS ‑ (part number ) is an electronic boiler water low-level alarm designed to protect sealed heating systems by continuously monitoring conductivity-based water levels. It features an angled DN  brass probe, a wall-mounted control unit with visual alarm indicators, and an externally resettable lock that automatically re-engages after power failure.

Key Features:

• Manufacturer: Afriso

• MPN:  (WMS ‑)  

• Alarm Type: Electronic conductivity-based low-water detector ()

• Probe Connection: DN welding socket (Ø  mm inner, Ø . mm outer)  

• Control Unit: Wall-mount plastic housing with test button, green/pilot and red alarm lamps, and relay output  

• External Lock: Automatically unlocks after power failure; supports external reset as per EN   

• Relay Output: Changeover contact (max  V,  A resistive)  

• Supply Voltage:  V AC ± %,  Hz; power consumption approx.  VA  

• Operating Temperature (Control Unit):  °C to + °C; storage - °C to + °C  

• Probe Specs: Brass housing, stainless steel electrode, max  bar, max  °C boiler water  

• Certifications: VdTÜV “Water Level ”, EN , EMC, Pressure Equipment, RoHS, TÜV mark ‑